Home / 74,349.49-111,528.57-21,037.01

Finding the Fourth Proportional to 74,349.49, 111,528.57 and 21,037.01

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Solution

The fourth proportional to 74,349.49, 111,528.57 and 21,037.01 is: 31,556.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,349.49 : 111,528.57 = 21,037.01 : x
  2. Step 2: Convert to fraction form
    74,349.49/111,528.57 = 21,037.01/x
  3. Step 3: Cross multiply
    74,349.49x = 111,528.57 × 21,037.01
  4. Step 4: Simplify right side
    74,349.49x = 2,346,227,045.29
  5. Step 5: Solve for x
    x = 2,346,227,045.29/74,349.49
  6. Step 6: Final answer
    x = 31,556.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.